CN217660972U - High infusion needle tubing of security - Google Patents
High infusion needle tubing of security Download PDFInfo
- Publication number
- CN217660972U CN217660972U CN202220737634.5U CN202220737634U CN217660972U CN 217660972 U CN217660972 U CN 217660972U CN 202220737634 U CN202220737634 U CN 202220737634U CN 217660972 U CN217660972 U CN 217660972U
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- CN
- China
- Prior art keywords
- infusion needle
- pipe
- tube
- liquid level
- needle tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a high-safety infusion needle tube, wherein an air hole is arranged on an exhaust pipe of the infusion needle tube, a safety exhaust component is inserted on the air hole, and the safety exhaust component comprises an air passage tube inserted in the air hole, an upper cavity connected to the upper side of the air passage tube and a lower cavity connected to the lower side of the air passage tube; the upper cavity and the lower cavity are communicated with the gas path pipe together, a control circuit board, a battery and an electromagnet are arranged in the upper cavity, and a magnetic conductive ball body is arranged in the lower cavity; when the electromagnet generates magnetic force, the magnetic conductive ball body is adsorbed and then moves to block the air passage pipe; the control circuit board is connected with a liquid level sensor, at least part of the liquid level sensor is positioned in the infusion needle tube, and the liquid level sensor is used for controlling the electromagnet in a feedback mode. When the air passage pipe is blocked, the ventilation is stopped, and finally, the liquid in the transfusion needle pipe can not flow.
Description
Technical Field
The utility model relates to the technical field of medical equipment, relate to the infusion needle tube, especially relate to a high infusion needle tube of security.
Background
The infusion apparatus is a common three-type medical apparatus and is mainly used for intravenous infusion in hospitals.
The existing infusion set still has some disadvantages and unsafe factors in the using process. Especially, when a plurality of bottles of intravenous drip are hung in series, the danger is highest. Specifically, after a bottle of dripping points is hung, the liquid level in the pipe is lower than the dripping hopper under the condition of no attention, and when a second bottle is hung continuously, a section of gas is in the pipe. The gas is forced into the blood vessel and can cause blockage of the blood vessel, such as into a vein, which follows the blood flow to the heart, where it is unable to block the heart, slowly failing, and ultimately threatening life.
The existing ultrasonic flowmeter is hung on a transfusion needle tube, and an alarm is given when the flow cannot be detected. But still require manual blockage of the tube.
Particularly, when the alarm is sounded, the blocking is not time to happen, and the medical staff needs to manually remove air.
The existing transfusion needle tube is generally provided with vent holes, for example, the vent hole is arranged at the exhaust pipe part of a plastic steel needle inserted with a glass bottle, or the vent hole is arranged on a dropping funnel of the novel transfusion needle tube. When the vent hole is blocked, the liquid can not drop. The object of automatically blocking the flow of liquid in the pipe can be solved by this principle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a high infusion needle tubing of security is provided, through the safe exhaust subassembly that sets up, level sensor makes its automatic shutoff infusion needle tubing with the gas circuit shutoff, forbids moving down of liquid level.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a high infusion needle tubing of security is provided with the drip chamber on the infusion needle tubing, infusion needle tubing top is provided with the blast pipe, the grafting has plastic steel needle syringe needle on the blast pipe top, set up gas pocket, its characterized in that on the blast pipe:
the air hole is inserted with a safe exhaust assembly, and the safe exhaust assembly comprises an air path pipe inserted in the air hole, an upper cavity connected to the upper side of the air path pipe and a lower cavity connected to the lower side of the air path pipe;
the upper cavity and the lower cavity are communicated with the gas path pipe together, and the upper cavity corresponds to the upper part of the lower cavity;
the upper cavity is internally provided with a control circuit board, a battery and an electromagnet, and the lower cavity is internally provided with a magnetic conductive ball body;
when the electromagnet generates magnetic force, the magnetic conductive ball body is adsorbed and then moves to block the air passage pipe;
the control circuit board is connected with a liquid level sensor, the liquid level sensor extends into the exhaust pipe from an air hole, at least part of the liquid level sensor is positioned in the infusion needle tube, and the liquid level sensor is used for controlling the electromagnet in a feedback mode.
Furthermore, the magnetic conductive ball body is a hollow ball.
Furthermore, the battery is set as a rechargeable button battery, and the output end of the battery is electrically connected with the input end of the electromagnet through a lead.
Furthermore, the exhaust passage of the air passage pipe is horizontally arranged, and one end of the exhaust passage is an open port.
Furthermore, the air passage pipe is provided with four cross-shaped channels, the diameters of the upper channel and the lower channel are larger than those of the left channel and the right channel, the magnetic conductive ball body is positioned at the lower channel, and the left channel and the right channel can be blocked when the magnetic conductive ball body moves upwards.
Furthermore, the diameter of the magnetic conductive ball body is larger than that of the left channel and the right channel.
Furthermore, the liquid level sensor comprises a three-needle electrode type liquid level meter, and the three needles of the electrode type liquid level meter are inserted into the infusion needle tube.
Furthermore, the electrode type liquid level meter is provided with a signal line, a preset line is arranged in the air path pipe and connected with the control circuit, and the signal line is connected with the preset line through a PIN connector.
Furthermore, the shell of the upper cavity is connected with the air passage pipe through a buckle.
Furthermore, the outer wall of the upper cavity body is provided with a binding fixing device, and the binding fixing device comprises a plastic belt.
Compared with the prior art, the utility model has the advantages that:
through the safe exhaust assembly who sets up, level sensor realizes the control and the block of liquid level. The liquid level sensor is positioned above the dropping funnel. When the liquid level sensor detects that liquid flows above the dropping funnel of the infusion needle tube, the electromagnet is not electrified. After the liquid level sensor can not detect liquid, the electromagnet can be started to adsorb the magnetic conductive ball from the lower cavity, the air passage pipe is blocked to stop exhausting, and finally the liquid in the infusion needle pipe can not flow, so that the infusion bottle is also convenient and fast to replace.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic view of the structure of the present invention in a three-dimensional state;
FIG. 2 is a schematic front view of the structure of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;
FIG. 4 is a schematic front sectional view of the partial structure of the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.
Wherein the reference numbers are: 1. a transfusion needle tube; 2. a dropping funnel; 3. an exhaust pipe; 4. a plastic steel needle head; 5. air holes; 6. a safety vent assembly; 61. an air passage pipe; 62. an upper cavity; 63. a battery; 64. an electromagnet; 65. a lower cavity; 66. a magnetic conductive sphere; 67. an electrode type liquid level meter with three needle heads; 68. plastic tape, 69 signal wire; 7 a control circuit; 8, presetting a line; 9PIN PIN connector.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the descriptions are illustrative, exemplary only, and should not be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
According to the drawings from 1 to 5, the utility model discloses an infusion needle tube 1 is provided with drip chamber 2 on the infusion needle tube 1, and 1 top of infusion needle tube is provided with blast pipe 3, and there is plastic steel needle syringe 4 on 3 tops of blast pipe, and plastic steel needle syringe 4 can insert in the glass bottle (drip bottle), and infusion needle tube 1 is unanimous with current structure.
Since the vent tube 3 of the prior art is provided with a vent hole 5, a safety vent 6 is provided in the vent hole 5 in order that the liquid in the transfusion needle tube 1 does not flow even when no gas flows.
Therefore, the safety vent assembly 6 is inserted into the air hole 5, and the safety vent assembly 6 comprises an air passage pipe 61 inserted into the air hole 5. The outer wall of the upper end of the air passage pipe 61 is provided with an upper cavity 62, a battery 63 arranged in the upper cavity 62, an electromagnet 64 arranged below the battery 63, and a control circuit 7 connecting the battery 63 and the electromagnet 64.
The outer wall of the lower end of the air path pipe 61 is provided with a lower cavity 65, and a magnetic conductive ball 66 is arranged in the lower cavity 65.
The exhaust passage of the gas path pipe 61 is horizontally arranged, one end of the exhaust passage is an open port, the gas path pipe 61 is provided with four crossed passages, the diameters of the upper passage and the lower passage are larger than the diameters of the left passage and the right passage, the magnetic conductive ball 66 is positioned at the lower passage, and the upper cavity 62 corresponds to the upper passage.
The electromagnet 64: model KK-P22, diameter 22mm, DC5V. When the power is on, the electromagnet 64 sucks the magnetic conductive ball 66 upwards. The diameter of the magnetic conductive ball 66 is larger than the diameter of the left channel and the right channel of the air path pipe 61, and the magnetic conductive ball 66 can block the left channel and the right channel of the air path pipe 61 when moving upwards.
The electromagnet 64 is too small and the magnetic attraction is not large, so the magnetic conductive ball 66 is a hollow ball, and the weight of the magnetic conductive ball can be reduced. When the electromagnet 64 is de-energized, the magnetically conductive sphere 66 falls back into the lower chamber 65 by gravity and the air passage tube 61 is opened.
The control circuit 7 is connected with a preset line 8, one end of the preset line 8 is positioned in the air passage pipe 61, and the preset line 8 is connected with the PIN needle connector 9. The PIN connector 9 is connected with the PIN connector 9 of the signal line 69 on the electrode type liquid level meter 67.
The electrode type liquid level meter 67 is used for measuring the liquid level of the infusion needle tube 1, and specifically the electrode type liquid level meter 67 has three needles (prior art), and the electrode type liquid level meter 67 extends into the infusion needle tube 1 from the air hole 5. The three needles of the electrode level gauge 67 are located above the drip chamber 2.
The electrode level gauge 67 feeds back the level data, which is then used to control the electromagnet 64.
The outer wall of the upper cavity 62 is provided with a plastic belt 68 made of flexible metal which can be deformed and then hooked on a glass bottle for fixing.
For the convenience of disinfection, the outer shell of the upper cavity 62 is connected with the gas path pipe 61 through a buckle, and the upper cavity 62 can be detached. And the electrode level gauge 67 can be removed.
The staff can insert the gas circuit pipe 61 electrode type level gauge 67 that drives three syringe needles in the gas pocket 5, and up to three syringe needles insert infusion needle 1 back completely, the butyl rubber line of 69 outsourcing of electrode type level gauge 67's signal line for electrode type level gauge 67 is harder through this design, can insert well to infusion needle 1 in.
The air passage pipe 61 is inserted into the air hole 5 to form clamping, then the plastic belt 68 is hooked on the infusion bottle to be reinforced, through the design, the plastic belt 68 can be completely sleeved with the infusion bottle to firmly limit the upper cavity 62 at the air hole 5, and at the moment, air can be ventilated through the air passage pipe 61.
When the electrode type liquid level meter 67 with three needles detects that liquid flows above the dropping funnel 2 of the infusion needle tube 1, the control circuit 7 cannot receive signals and does not energize the electromagnet 64, the battery 63 is set as a rechargeable button battery, the output end of the battery 63 is electrically connected with the input end of the electromagnet 64 through a lead, at this time, the magnetic conductive ball 66 is placed in the lower cavity 65, and the air path tube 61 is continuously ventilated to ensure that the liquid flows in the infusion needle tube 1
When the electrode type liquid level meter 67 with three needles detects liquid, the control circuit 7 receives a signal to be electrified, the electromagnet 64 is started to adsorb the magnetic conductive ball 66 from the lower cavity 65, and the magnetic conductive ball 66 blocks the air path pipe 61, so that the magnetic conductive ball 66 can enter the air path pipe 61 from the through hole and also can fall into the lower cavity 65 to block the air path pipe 61 to stop ventilation, and finally, the liquid in the infusion needle tube 1 can not flow, thereby avoiding the liquid from flowing empty.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a high infusion needle tubing of security is provided with the drip chamber on the infusion needle tubing, infusion needle tubing top is provided with the blast pipe, the grafting has plastic steel needle syringe needle on the blast pipe top, set up gas pocket, its characterized in that on the blast pipe:
the air hole is inserted with a safe exhaust assembly, and the safe exhaust assembly comprises an air path pipe inserted in the air hole, an upper cavity connected to the upper side of the air path pipe and a lower cavity connected to the lower side of the air path pipe;
the upper cavity and the lower cavity are communicated with the gas path pipe together, and the upper cavity corresponds to the upper part of the lower cavity;
the upper cavity is internally provided with a control circuit board, a battery and an electromagnet, and the lower cavity is internally provided with a magnetic conductive ball body;
when the electromagnet generates magnetic force, the magnetic conductive ball body is adsorbed and then moves to block the air passage pipe;
the control circuit board is connected with a liquid level sensor, the liquid level sensor extends into the exhaust pipe from an air hole, at least part of the liquid level sensor is positioned in the infusion needle tube, and the liquid level sensor is used for controlling the electromagnet in a feedback mode.
2. The high-safety infusion needle tube as claimed in claim 1, wherein the magnetic conductive ball is a hollow ball.
3. The high-safety infusion needle tube according to claim 1 or 2, wherein the battery is a rechargeable button battery, and an output end of the battery is electrically connected with an input end of the electromagnet through a lead.
4. The high-safety infusion needle tube as claimed in claim 1, wherein the air exhaust channel of the air path tube is horizontally opened and has an open end at one end.
5. A high safety transfusion needle tube as claimed in claim 1, wherein said air passage tube is provided with four cross-shaped channels, the diameters of the upper and lower channels are larger than those of the left and right channels, said magnetic conductive ball is located at the lower channel, and the magnetic conductive ball can block the left and right channels when moving upwards.
6. A high safety infusion needle cannula as claimed in claim 5, wherein said magnetically conductive sphere has a diameter greater than the diameter of the left and right channels.
7. A high safety infusion needle tube according to claim 1, wherein the level sensor comprises a three-needle electrode level gauge, the three-needle electrode level gauge being inserted into the infusion needle tube.
8. The infusion needle tube with high safety as claimed in claim 7, wherein the electrode type liquid level meter is provided with a signal line, a preset line is arranged in the air path tube and connected with the control circuit, and the signal line and the preset line are connected through a PIN needle joint.
9. The high-safety infusion needle tube as claimed in claim 1, wherein the housing of the upper cavity is connected with the air passage tube through a snap fit.
10. The high-safety infusion needle tube as claimed in claim 1, wherein a binding fixture is provided on an outer wall of the upper cavity, and the binding fixture comprises a plastically deformable band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220737634.5U CN217660972U (en) | 2022-03-30 | 2022-03-30 | High infusion needle tubing of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220737634.5U CN217660972U (en) | 2022-03-30 | 2022-03-30 | High infusion needle tubing of security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217660972U true CN217660972U (en) | 2022-10-28 |
Family
ID=83732531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220737634.5U Expired - Fee Related CN217660972U (en) | 2022-03-30 | 2022-03-30 | High infusion needle tubing of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217660972U (en) |
-
2022
- 2022-03-30 CN CN202220737634.5U patent/CN217660972U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |